How Many Calories Are in a Banana?

There are 108 calories and 17.5 grams of carbohydrates in the average banana. Most of the calories in a banana come from carbohydrates, both naturally forming simple sugars and starch forms its carbohydrate content. Its interesting to note that the composition of carbohydrate calories change on ripening, the sugar levels rise and the starch levels fall as a banana ripens.

It means that bananas are probably easier to digest the more ripe and yellow the fruit becomes.

The table below shows how many calories are in a banana.

Banana

weight (grams)

Protein (grams)

Carbs (grams)

Fat (grams)

Banana Calories (calories)

Banana Medium weighed with skin

130

1.1

21

0.27

86

Banana Large weighed with skin

170

2

39

0.5

162

Banana average flesh only

114

1.4

17.5

0.2

108

Banana Milk Shake

100 ml

18

-

-

140

There are many other fruits that have a calorie content lower than bananas but bananas biggest advantage is that it is high in potassium. Potassium aids in reducing heart problems and high blood pressure and helps combats ulcers.

The calories in a banana are digested slowly and help supply the body with a steady source of energy. They are a great for an energy boost if eaten about an hour before physical activity.